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6.2 How is it possible that ChemApp calculates even complex equilibria so fast?

Submitted by ma on Mon, 04/22/2013 - 16:21

Two main reasons can be given which are responsible for ChemApp's speed:

The GEM code has been under constant development for the last 30 years, since the days of SOLGASMIX. Along with the robustness of the code, its speed has always had a high priority.

When ChemApp begins an equilibrium calculation, it tries to guess which phases are stable before it numerically solves the equilibrium. These guesses have been refined during the development of the GEM code, and now account for a significant reduction of computing time when determining the equilibrium state.